Seeing blood from your child’s nose can feel alarming, even when the bleeding stops quickly. Some children may have nosebleeds only once in a while, while others may seem to get them more often, especially during dry weather, after rubbing their nose, or when they have a cold or blocked nose. Nosebleeds in children can happen for many reasons. They may be linked to nose picking, frequent rubbing, dry air, allergies, colds, minor irritation inside the nose, or small injuries d